const readlineSync = require('readline-sync');

let key = readlineSync.keyIn('? ')
console.log(key);

/* This works without external dependencies,
 * but it's for a full line at a time
const readline = require('readline/promises');

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

async function getInput(prompt) {
  let input = await rl.question(prompt)
  console.log(input);
  console.log("Later");
  rl.close();
}

getInput('?');
*/